Part of Drštka, Hláska has 10 routes documented on climbing.place. Routes range from grade 1 to 7-. Routes are listed below with grade, style, and community notes.
Common styles: Route in shadow, Rock Climbing, Friends, Laid wall, Fixed belay.
Nature protection: Climbing prohibited Decision 2017, nature protection body CHKO Brdy
The rocks are inside the Protected Landscape Area, climbing is prohibited. Decision 2017, nature protection authority PLA Brdy